Designed to filter & oxygenate aquarium water. Designed to filter & oxygenate aquarium water. Large pump output & great volume of filtration media combined with reliability & safety will help to keep ideal water conditions in the aquarium. The largest filtration volume in its class, well composed combination of filtration media & a pre-filter stop bigger dirt & reduce cleaning to a minimum. Noiseless filter operation. Simple self-priming mechanism. Simple integrated valve allows disconnection of inlet & outlet hoses. Ready for installing Aquael sterilizer UV or Uni heater inside. Equipped with sprinkler.